Mercurial > octave
annotate libinterp/parse-tree/pt-stmt.cc @ 31706:597f3ee61a48 stable
update Octave Project Developers copyright for the new year
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 06 Jan 2023 13:11:27 -0500 |
parents | aac27ad79be6 |
children | 21f9b34eb893 |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2023 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
2982 | 28 #endif |
29 | |
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30 #include <typeinfo> |
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31 |
4153 | 32 #include "quit.h" |
33 | |
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34 #include "bp-table.h" |
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35 #include "comment-list.h" |
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36 #include "event-manager.h" |
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37 #include "input.h" |
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38 #include "oct-lvalue.h" |
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39 #include "ov.h" |
2982 | 40 #include "pager.h" |
3770 | 41 #include "pt-bp.h" |
2982 | 42 #include "pt-cmd.h" |
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43 #include "pt-eval.h" |
2982 | 44 #include "pt-id.h" |
45 #include "pt-idx.h" | |
2985 | 46 #include "pt-jump.h" |
2982 | 47 #include "pt-pr-code.h" |
48 #include "pt-stmt.h" | |
49 #include "utils.h" | |
50 #include "variables.h" | |
51 | |
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52 OCTAVE_BEGIN_NAMESPACE(octave) |
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53 |
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54 // A list of commands to be executed. |
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55 |
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56 tree_statement::~tree_statement (void) |
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57 { |
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58 delete m_command; |
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59 delete m_expression; |
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60 delete m_comment_list; |
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61 } |
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62 |
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63 void |
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64 tree_statement::set_print_flag (bool print_flag) |
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65 { |
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66 if (m_expression) |
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67 m_expression->set_print_flag (print_flag); |
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68 } |
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69 |
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70 bool |
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71 tree_statement::print_result (void) |
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72 { |
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73 return m_expression && m_expression->print_result (); |
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74 } |
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75 |
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76 void |
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77 tree_statement::set_breakpoint (const std::string& condition) |
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78 { |
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79 if (m_command) |
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80 m_command->set_breakpoint (condition); |
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81 else if (m_expression) |
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82 m_expression->set_breakpoint (condition); |
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83 } |
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84 |
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85 void |
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86 tree_statement::delete_breakpoint (void) |
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87 { |
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88 if (m_command) |
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89 m_command->delete_breakpoint (); |
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90 else if (m_expression) |
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91 m_expression->delete_breakpoint (); |
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92 } |
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93 |
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94 bool |
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95 tree_statement::is_breakpoint (void) const |
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96 { |
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97 return m_command ? m_command->is_breakpoint () |
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98 : (m_expression ? m_expression->is_breakpoint () |
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99 : false); |
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100 } |
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101 |
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102 bool |
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103 tree_statement::is_active_breakpoint (tree_evaluator& tw) const |
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104 { |
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105 return m_command ? m_command->is_active_breakpoint (tw) |
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106 : (m_expression ? m_expression->is_active_breakpoint (tw) |
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107 : false); |
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108 } |
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109 |
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110 std::string |
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111 tree_statement::bp_cond () const |
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112 { |
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113 return (m_command |
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114 ? m_command->bp_cond () |
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115 : (m_expression ? m_expression->bp_cond () : "0")); |
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116 } |
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118 int |
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119 tree_statement::line (void) const |
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120 { |
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121 return (m_command |
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122 ? m_command->line () |
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123 : (m_expression ? m_expression->line () : -1)); |
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124 } |
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126 int |
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127 tree_statement::column (void) const |
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128 { |
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129 return (m_command |
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130 ? m_command->column () |
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131 : (m_expression ? m_expression->column () : -1)); |
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132 } |
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133 |
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134 void |
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135 tree_statement::set_location (int l, int c) |
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136 { |
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137 if (m_command) |
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138 m_command->set_location (l, c); |
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139 else if (m_expression) |
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140 m_expression->set_location (l, c); |
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141 } |
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143 void |
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144 tree_statement::echo_code (const std::string& prefix) |
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145 { |
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146 tree_print_code tpc (octave_stdout, prefix); |
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147 |
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148 accept (tpc); |
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149 } |
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151 bool |
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152 tree_statement::is_end_of_fcn_or_script (void) const |
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153 { |
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154 bool retval = false; |
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156 if (m_command) |
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157 { |
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158 tree_no_op_command *no_op_cmd |
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159 = dynamic_cast<tree_no_op_command *> (m_command); |
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161 if (no_op_cmd) |
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162 retval = no_op_cmd->is_end_of_fcn_or_script (); |
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163 } |
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164 |
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165 return retval; |
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166 } |
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167 |
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168 bool |
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169 tree_statement::is_end_of_file (void) const |
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170 { |
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171 bool retval = false; |
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172 |
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173 if (m_command) |
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174 { |
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175 tree_no_op_command *no_op_cmd |
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176 = dynamic_cast<tree_no_op_command *> (m_command); |
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177 |
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178 if (no_op_cmd) |
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179 retval = no_op_cmd->is_end_of_file (); |
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180 } |
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182 return retval; |
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183 } |
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185 // Create a "breakpoint" tree-walker, and get it to "walk" this |
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186 // statement list |
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187 // (FIXME: What does that do???) |
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188 |
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189 int |
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190 tree_statement_list::set_breakpoint (int line, const std::string& condition) |
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191 { |
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192 tree_breakpoint tbp (line, tree_breakpoint::set, condition); |
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193 accept (tbp); |
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195 return tbp.get_line (); |
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196 } |
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198 void |
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199 tree_statement_list::delete_breakpoint (int line) |
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200 { |
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201 if (line < 0) |
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202 { |
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203 octave_value_list bp_lst = list_breakpoints (); |
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204 |
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205 int len = bp_lst.length (); |
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207 for (int i = 0; i < len; i++) |
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208 { |
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209 tree_breakpoint tbp (i, tree_breakpoint::clear); |
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210 accept (tbp); |
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211 } |
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212 } |
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213 else |
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214 { |
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215 tree_breakpoint tbp (line, tree_breakpoint::clear); |
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216 accept (tbp); |
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217 } |
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218 } |
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220 octave_value_list |
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221 tree_statement_list::list_breakpoints (void) |
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222 { |
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223 tree_breakpoint tbp (0, tree_breakpoint::list); |
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224 accept (tbp); |
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226 return tbp.get_list (); |
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227 } |
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229 // Get list of pairs (breakpoint line, breakpoint condition) |
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230 std::list<bp_type> |
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231 tree_statement_list::breakpoints_and_conds (void) |
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232 { |
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233 tree_breakpoint tbp (0, tree_breakpoint::list); |
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234 accept (tbp); |
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235 |
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236 std::list<bp_type> retval; |
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237 octave_value_list lines = tbp.get_list (); |
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238 octave_value_list conds = tbp.get_cond_list (); |
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239 |
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240 for (int i = 0; i < lines.length (); i++) |
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241 { |
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242 retval.push_back (bp_type (lines(i).double_value (), |
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243 conds(i).string_value ())); |
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244 } |
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245 |
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246 return retval; |
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247 } |
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248 |
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249 // Add breakpoints to file at multiple lines (the second arguments |
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250 // of line), to stop only if condition is true. |
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251 // Updates GUI via event_manager::update_breakpoint. |
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252 // FIXME: COME BACK TO ME. |
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253 |
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254 bp_table::bp_lines |
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255 tree_statement_list::add_breakpoint (event_manager& evmgr, |
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256 const std::string& file, |
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257 const bp_table::bp_lines& lines, |
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258 const std::string& condition) |
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259 { |
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260 bp_table::bp_lines retval; |
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261 |
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262 for (const auto& lineno : lines) |
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263 { |
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264 int line = set_breakpoint (lineno, condition); |
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265 |
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266 if (line) |
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267 { |
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268 if (! file.empty ()) |
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269 evmgr.update_breakpoint (true, file, line, condition); |
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270 |
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271 retval.insert (line); |
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272 } |
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273 } |
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274 |
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275 return retval; |
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276 } |
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277 |
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278 bp_table::bp_lines |
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279 tree_statement_list::remove_all_breakpoints (event_manager& evmgr, |
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280 const std::string& file) |
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281 { |
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282 bp_table::bp_lines retval; |
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283 |
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284 octave_value_list bkpts = list_breakpoints (); |
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285 |
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286 for (int i = 0; i < bkpts.length (); i++) |
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287 { |
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288 int lineno = bkpts(i).int_value (); |
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289 |
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290 delete_breakpoint (lineno); |
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291 |
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292 retval.insert (lineno); |
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293 |
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294 if (! file.empty ()) |
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295 evmgr.update_breakpoint (false, file, lineno); |
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296 } |
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297 |
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298 return retval; |
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299 } |
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300 |
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301 OCTAVE_END_NAMESPACE(octave) |